Datasheet > FEDL2257X-08

FEDL2257X-08

更新时间： 2024-09-24 12:56:39

品牌	Logo	应用领域
LevelOne		有原始数据的样本ROM
页数	文件大小	规格书
67页	1690K
描述
4-Channel Mixing Speech Synthesis LSI with Built-in FLASH/MASK ROM for Automotive

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中文翻译

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数据手册

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FEDL2257X-08 数据手册

FEDL2257-07

Issue Date: Mar. 18, 2015

ML22Q573-NNNMB/ML22Q573-xxxMB/ML2257X-xxxMB

4-Channel Mixing Speech Synthesis LSI with Built-in FLASH/MASK ROM for Automotive

GENERAL DESCRIPTION

The ML22Q573-NNN, ML22Q573-xxx and ML2257X-xxx are 4-channel mixing speech synthesis LSIs with

built-in FLASH/MASK ROM for voice data. These LSIs incorporate into them an HQ-ADPCM decoder that

enables high sound quality, 16-bit D/A converter, low-pass filter, and 1.0 W monaural speaker amplifier for

driving speakers. Since functions necessary for voice output are all integrated into a single chip, a system can

be upgraded with audio features by only using one of these LSIs.

• Capacity of internal memory and the maximum voice production time (when HQ-ADPCM^※¹method used)

Maximum voice production time (sec)

Product name

ROM capacity

f_sam= 8.0 kHz

f_sam= 16.0 kHz

f_sam= 32.0 kHz

ML22Q573-NNN/-xxx

ML22573-xxx

4 Mbits

2 Mbits

161

ML22572-xxx

FEATURES

• Speech synthesis method:

Can be specified for each phrase.

HQ-ADPCM / 8-bit non-linear PCM / 8-bit PCM / 16-bit PCM

Can be specified for each phrase.

• Sampling frequency:

12.0/24.0/48.0 kHz, 8.0 / 16.0/32.0 kHz, 6.4/12.8/25.6 kHz

• Built-in low-pass filter and 16-bit D/A converter

• Built-in speaker driver amplifier:

1.0 W, 8Ω (at DV_DD= 5 V)

• External analog voice input (built-in analog mixing function)

• CPU command interface:

• Maximum number of phrases:

• Edit ROM

Clock synchronous serial interface

1024 phrases, from 000h to 3FFh

• Volume control:

CVOL command: Adjustable through 32 levels (including OFF)

AVOL command: Adjustable through 50 levels (including OFF)

• Repeat function:

• Channeｌ mixing function:

LOOP command

4 channels

• Power supply voltage detection function: Can be controlled at six levels from 2.7 to 4.0 V (including the

OFF setting)

• Source oscillation frequency:

• Power supply voltage:

• Operating temperature range:

• Package:

4.096 MHz

2.7 to 5.5 V

–40°C to +105°C^※

heat sink type 30-pin plastic SSOP(P-SSOP30-56-0.65-6K-MC)

•Product name:

ML22Q573-NNNMB

ML22573-xxxMB/ML22572-xxxMB

(“xxx” denotes ROM code number)

HQ-ADPCM is a high sound quality audio compression technology of "Ky's".

“Ｋｙ’ｓ” is a Registered trademark of National Universities corporate Kyushu

Institute of Technology

※1

The limitation on the operation time changes by the using condition. (Refer to Page62)

※2

1/67

12 3 4 5 6 7...67

中文翻译

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